class User():
	
		
	def __init__(self,first_name,last_name):
		self.first_name=first_name
		self.last_name=last_name
		
	def describe_user(self):
		long_name=self.first_name+self.last_name
		print('名字是：'+long_name)
	
	def greet_user(self):
		print(self.first_name+self.last_name+'你想吃啥？')

new_user_01=User('小','狗蛋')
new_user_01.describe_user()
new_user_01.greet_user()
